Home / 378,019.03-566,938.98-108,138.85

Finding the Fourth Proportional to 378,019.03, 566,938.98 and 108,138.85

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Solution

The fourth proportional to 378,019.03, 566,938.98 and 108,138.85 is: 162,182.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,019.03 : 566,938.98 = 108,138.85 : x
  2. Step 2: Convert to fraction form
    378,019.03/566,938.98 = 108,138.85/x
  3. Step 3: Cross multiply
    378,019.03x = 566,938.98 × 108,138.85
  4. Step 4: Simplify right side
    378,019.03x = 61,308,129,317.37
  5. Step 5: Solve for x
    x = 61,308,129,317.37/378,019.03
  6. Step 6: Final answer
    x = 162,182.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.